Air Circuit Breakers BT2 Series
Contents
1. Please fill numbers in or mark v in 1 Customer name Order quantity Date Type BT2 E Rated voltage AC400V AC690V Use Standard Humid tropical TH Rated current In A Connection Fixed Horizontal Rear connection Vertical Rear connection Draw out Horizontal Rear connection Vertical Rear connection Type selection Type L25 Type M25 Type M26 Type H26 Type P26 Type P25 Basic function LED current urrent diss indication LED current indication communication LCD current indication and wattmeter function function Long time delay overload protection Short time delay short circuit protection Instantaneous short circuit protection I2. 10000 Illustrational curve The range of long time delay la 0 65 1 In t 15s 480s The range of short time delay 1000 lo 1 5 10 ho 12 0 15 0 45 h Instantaneous range 15 3 15 1 100 long time delay curve ON le t s 10 1 t Short time delay curve 0 4 0 3 0 2 OFF 0 1 Instantaneous range Y 0 02 Instantaneous curve 0 01 0 4 1 1 5 3 10 15 Iri 16 Air Circuit Breakers BT2 series Characteristic curve time current curve of type M25 M26 H26 P25 and P26 intelligent controllers OCR 10000 lllustrational curve The range of long time delay 14 0 4 1 1 In t 10s 120s The range of short time delay 1000 l2 0 4 15 In OFF t 0 1s 0 4s Instantaneous 5 1 6 BT2 1600 range 2kA 50kKA OFF BT2 2000 2 5kA 50kA OFF BT2 2500 4kA 65kA OFF BT2 4000 6 3kA 80kA OFF BT2 6300 100 long t
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4. In Air Circuit Breakers BT2 series Characteristic curve time current curve of type M25 M26 H26 P25 and P26 intelligent controllers OCR for load monitoring pattern one t s 10000 lici 0 27 1 In te1 t 2 t 15 30 60 120 240 480s 0 2 1 In 2 1 4 15 30 60 120 240 480s Fe l ceSliei 1000 S les 200 lei too 100 10 1 0 1 0 2 0 8 1 10 21 Air Circuit Breakers BT2 series Characteristic curve time current curve of type M25 M26 H26 P25 and P26 intelligent controllers OCR for load monitoring pattern two 10000 0 2 1 1c t 2 t 215 30 60 120 240 480s lLco 0 2 1 In Nice 1 2 605 1000 lici too 100 60 t s 10 1 0 1 0 2 0 4 0 8 1 10 100 In 22 B Accessories Supplied accessories Following accessories are come with each ACB s as
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6. 11 150 _ 69 5 285 290 Horizontal back set Air Circuit Breakers BT2 series Dimensions and mounting E Dimensions and mounting mm BT2 6300 Air Circuit Breaker with three poles draw out type Outside of the E i cabinet door L 104 e uy roc S LL Base i 12 47 395 Separated position Horizontal back set Current specifications In 4000A 5000A Direction C 113 126 5 113 126 5 113 eee tee tie eae eel eh II LH 4 9 m 10 E E 30 44 1 50 100 183 Direction A a 113 126 5 130 1265 113 48 017 9191 16 Hel ee Heel 199 haha 1991 eel hana Outside 475 5 point 47 Separated position Vertically back set Current specifications In 4000A 5000A 6300A E Dimensions and mounting mm BT2 6300 Air Circuit Breaker with four poles draw out type Outside of the cabinet door 5 m v 10 Eur vim Separated position Horizontal back set Current spec
7. 7 Separated position Horizontal back set Outside of the cabinet door Direction D Air Circuit Breakers BT2 series Dimensions and mounting Direction A 32 011 Base point 10 175 102 47 5 390 _ Separated position Vertical back set Direction C 95 95 95 I1 ria ri L i N pole 39 Air Circuit Breakers BT2 series Dimensions and mounting E Dimensions and mounting mm BT2 2500 Air Circuit Breaker with three poles fixed type Current specifications L mm C mm 2000A 2500A 20 132 1250A 1600A 15 134 5 Outside of the cabinet door 61 12 c Base 4 912 point L 150 695 285 _ 290 Horizontal back set BT2 2500 Air Circuit Breaker with four poles fixed type Current specifications L mm C mm 2000A 2500A 20 132 1250A 1600A 15 134 5 11 24 011 Direction A o 95 95 E ere eH e 4 eo alll 11 Direction A 95 95 32 011
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11. E Wiring diagram of secondary c 54 it Breakers BT2 series Air C iagram d iring JO 8 uonoeuuoo ui AZO oiu eq pinoys Ajddns Jamod S Ajddns samod jo ueuMw JO APZO Olu eq Pinoys Ajddns Jamod 10 AOLLOG S Ajddns jo eui ueuMw pue jo peuuojsuen eq pinoys 0091 19 Jo Ajddns Jemod Jo ADEZOY S Ajddns Jemod jo eui eroeds uo qua put 1 qddns mog Sum VU 05 62 Loos cc odia oo oq jo ooa Ja jno awip jo USI SE 9b Pr TH OP W pypos mo mup ssn poua yudu ejupour 449 samog ACU 1 1 i i 10 4 AOEZIV
12. e Front runners 5 7 Nihonbashi Odemma cho Chuo ku Tokyo 103 0011 Japan URE www fujielectric co jp fcs eng Information in this catalog is subject to change without notice L INK Fuji ectri FA Com n nt amp Syst m L d Contents on ana eder BR Ua Ras 3 Type number 6 Specifications 7 Appearance
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14. 47 104 b 395 _ Separated position Horizontal back set Direction B 42 Outside of the cabinet door 47 Direction A lt 130 130 130 32 917 oO eel ere 9j haha hana ee gt 86 50 100 395 25 e D PA e MU q Separated position Vertical back set Direction C 118 113 113 pole 244 438 Air Circuit Breakers BT2 series Dimensions and mounting E Dimensions and mounting mm BT2 4000 Air Circuit Breaker with three poles fixed type Direction A _ 113 __ 113 24 013 1 e Ae e e 140 80 Outside of the cabinet door 395 150 11 392 poit 11 285 290 E Horizontal back set BT2 4000 Air Circuit Breaker with four poles fixed type Direction A 113 113 1183 32 013 919 al Id N pole 40 Outside of the cabinet door
15. e e i M LS gt i Outside of the cabinet door A 61 C Base oint 4 912 i 11 150 69 5 285 _ 290 _ 40 11 435 Base point Pad E Dimensions and mounting mm BT2 4000 Air Circuit Breaker with three poles draw out type Outside of the cabinet door 47 395 104 Base point a _ Separated position Horizontal back set Direction B 2 014 438 Outside of the cabinet door 10 Di Direction 130 Air Circuit Breakers BT2 series mensions and mounting A 130 24 017 25 50 eli i 1 __104 _ _50 25 0 9 2 9 JE oc lt I L d 24 917 0 9 Ny e Base Tw f point i 395 Separated position Horizontal back set Direction C 113 113 41 Air Circuit Breakers BT2 series Dimensions and mounting E Dimensions and mounting mm BT2 4000 Air Circuit Breaker with four poles draw out type Outside of the cabinet door
16. 8 Intelligent controller 9 Communication sse 14 Characteristics curve sss 16 5 di acc Peg ee 23 Technical data iion ne etes 28 Dimensions and 30 Wiring 54 ORAS TMG na 62 Ordering notice 63 Air Circuit Breakers BT2 Series 1600 to 6300A Air Circuit Breakers BT2 series Features B Selection guide Series BT2 series Frame size 1600 2000 2500 4000 6300 No of poles 3 4 Installation Fixed Available Draw out Available Closing Mechanism Manual spring or motor spring Tripping Mechanism Shunt trip Under voltage trip Protection function Long time delay Short time delay Instantaneous Ground fault etc m Breaking Capacity is equal to Ics up to 120kA at maximum and Icw is up to 100kA at maximum under 400VAC distribution 0 BT2 1600 BT2 2000 BT2 2500 BT2 4000 BT2 6300 Air Circuit Breakers BT2 series Features Compact size BT2 series Air Circuit Breakers have five framesize and four physical dimension sizes Ampere 1600 2000 2500 4000 frame 6300 Appearance Width 248mm 347mm m Installation The bus bar terminal of the BT2 series Air Circuit Breakers can be simply installed a
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18. controller Intelligent i 1 1 controller 1 ER Intelligent 1 controller hoe EEE er oe For exmple TN C system 1 i SS SSS Se N line current transformer 1 connected externally Load monitoring function To monitor the down stream load so as to ensure power supply of main system There are two patterns of load monitoring from which users can choose one The setting value of load monitoring current are lic and lc normally is larger than or equal to lice Inverse characteristic of load monitoring is the same of inverse long time delay overload characteristic t Setting current of load monitoring Limiting load Setting current 1 of load monitoring Limitiong load Setting delay time t of load monitoring Setting delay time 1 of load monitoring Acting characteristic of two kinds of ultimate setting load t4 Setting current lic of load monitoring reload Setting current lic of load monitoring Limiting load Setting delay time 1 of load monitoring Setting delay time of load monitoring definite Acting characteristic of ultimate setting value of load and reload 10 For example TN S system For example TN S system Pattern 1 Two circuits of down stream load can be controlled When the operating current of the main circuit rises over the setting value of and 1 contact signal will be sent out after time duration
19. BT2 6300 Air Circuit Breakers with three poles draw out The drawing of Aperture Dimensions for mounting cover of door frame Distance from the panel center of the circuit breaker to the right hinge of cabinet door should be at least 264mm 270 48 l g Breaker base 11 26 BT2 6300 Air Circuit Breakers with three poles fixed The drawing of Aperture Dimensions for mounting cover of door frame Distance from the panel center of the circuit breaker to the right hinge of cabinet door should be at least 264mm 270 oc N Breaker base 8 26 328 366 Air Circuit Breakers BT2 series Dimensions and mounting BT2 6300 Air Circuit Breakers with four poles draw out The drawing of Aperture Dimensions for mounting cover of door frame Distance from the panel center of the circuit breaker to the right hinge of cabinet door should be at least 320 5mm BT2 6300 Air Circuit Breakers with four poles fixed The drawing of Aperture Dimensions for mounting cover of door frame Distance from the panel center of the circuit breaker to the right hinge of cabinet door should be at least 320 5mm 270 28 42 153 5 148 Breaker base 10 26 100 441 13 5 479 51 Air Circuit Breakers BT2 series Dimensions and mounting E Mount
20. Break lock mechanism Break lock mechanism can lock the OFF button of the circuit breaker on the pressed position As a result the circuit breaker can not be switched on After this lock mechanism was chosen by users the manufacturer would provide lock and key One set of circuit breaker is outfitted with one lock and one key Two sets of circuit breakers are outfitted with two same locks and one key Three sets of circuit breakers are outfitted with three same locks and two keys Button locking device e When installed Button locking device it can prevented somebody from operating button of switching on or switching off by mistake Padlock should be provided by users themselves Counter The counter can count mechanical operation times accumulatively which makes users be clear at a glance Separator plate between phases Separator plates between phases which strengthen insulation between bus bars are optional and will be equipped as needed by users 27 Air Circuit Breakers BT2 series Technical data E Power consumption and derating coefficient Power consumption Environment temperature 40 C Power consumption is the overall consumption measured under with the circuit breaker is electrified with current below frame current Type Three poles four poles W Fixed type Draw out type BT2 1600 152 408 BT2 2000 203 6 382 8
21. Reprensents fundamental functions Represents selective functions Represent no such functions m Function Over current protection The over current protection is composed of phase and neutral line protection Four pole breaker and three pole breaker with current transformer linking externally to neutral N from over current The parameters of current and time of phase line over current protection can be set by the company in terms of the requirements of users can be set by customers themselves the parameters of current and time of neutral line over current protection will be set according to the setting of the phase line all these mainly divided into the following two situations Three pole breaker with the neutral connected eaternally To type L25 M26 H26 intelligent controller when ordering the goods the neutral line setting current customers should have to confirm the protecting data it has two type of 50 ln and 100 lIn To type P25 P26 intelligent controller the customers can setup into four types from menu turn off 50 In 10096In 200 1 When 200 ln neutral line protecting if it has a high triple frequency harmonic the neutral line cross section should be double leg of a circuit cross section in the electrical power distribution system But to BT2 6300 three circuit breaker there is no neutral line protecting Four pole breaker To type L25 M25 M26 26 intelligent controller the customers should ha
22. Alarm and release indication lights will be on after the circuit breaker s being overloaded or released yellow or red After the circuit breaker s being released by long time delay overload short time delay short circuit and instantaneous short circuit indication lights of corresponding alarm will be on After the circuit breaker s being released by long time delay overload short time delay short circuit instantaneous short circuit and ground fault indication lights of corresponding alarm will be on After the circuit breaker s being released by long time delay overload short time delay short circuit and instantaneous short circuit indication lights of corresponding alarm will be on Fault indication 125 Type M25 Type M26 H26 Type P25 P26 Corresponding LED on the panel will be ON After the circuit breaker s being released by long time delay overload short time short circuit and instantaneous short circuit indication lights of corresponding fault type will be on After the circuit breaker s being released by long time delay overload short time short circuit and instantaneous short circuit indication lights of corresponding fault type will be on After the circuit breaker s being released by long time delay overload short time delay short circuit instantaneous short circuit instantaneous short circuit and ground fault indication lights of corresponding fault type will be on After
23. 0 2 0 1 0 01 0 001 Air Circuit Breakers BT2 series Characteristic curve Illustrational curve The range of long time delay ln 0 4 1 In 605 14405 The range of short time delay l2 0 4 15 In OFF 1 0 15 0 45 Instantaneous 1 3 1 6 5 BT2 1600 range 2kA 50kKA OFF BT2 2000 2 5kA 50kA OFF BT2 2500 4kA 65kA OFF BT2 4000 6 3kA 80kA OFF BT2 6300 long time delay curve PT ON Short time delay curve OFF Instantaneous cu 0 4 Instantaneous range 10 15 80 X la 19 Air Circuit Breakers BT2 series Characteristic curve time current curve of type M26 H26 and P26 intelligent controllers OCR for ground fault protection t s 20 Grounding current 4 0 4 0 8 In BT2 1600 4 0 2 0 8 In BT2 2000 BT2 2500 4 0 2 0 6 In BT2 4000 1 0 2 0 5 2 6300 1 0 15 0 45 four steps l Maximum 10004 For BT2 1600 Maximum 1200A For BT2 2000 BT2 2500 Maximum 1600A For BT2 4000 Maximum 2000A For BT2 6300 Maximum
24. Dimensions and mounting Direction A 95 95 95 x 32 011 N pole 30_ 1 50 69 5 11 435 point 1 290 Horizontal back set Outside of the cabinet door Direction C 95 95 95 dh 30 E N pole 60 285 ss Horizontal back set 37 Air Circuit Breakers BT2 series Dimensions and mounting E Dimensions and mounting mm BT2 2500 Air Circuit Breaker with three poles draw out type Direction A Current specifications L mm 2000A 2500A 20 1250A 1600A 15 Outside of the cabinet door al 265 EF Separated position Horizontal back set Direction D Outside of the M cabinet door 62 11x17 Base 211 rm m point 97 175 102 47 390 Separated position Vertical back set Direction C 38 E Dimensions and mounting mm BT2 2500 Air Circuit Breaker with four poles draw out type Current specifications L mm 2000A 2500A 20 1250A 1600A 15 Outside of the cabinet door 47
25. No of poles 3 4 3 4 3 4 3 4 3 4 Rated current A 200 400 630 800 630 800 1000 1250 1600 2000 2000 2500 2900 4000 5000 6300 1000 1250 1600 1250 1600 2000 2500 3200 3600 4000 Rated current of the neutral pole 100 In 10095 In 100 In 100 In 100 In IN Rated insulation voltage Ui 1000 1000 1000 1000 1000 Rated operational volage 1690 690 690 690 690 Rated ultimate short circuit 690 VAC 40 50 50 75 85 breaking capacity Icu 50 80 85 100 120 sym Rated service short circuit G90VAC 25 50 50 75 85 breaking capacity Ics KA 50 80 85 100 120 sym Rated making current 690VAC 84 105 105 165 187 KA peak 400VAC 105 176 187 220 264 Rated short time withstand 690 25 0 55 40 1s 50 1s 75 1s 85 1s current Icw rms 400VAC 42 0 55 60 15 65 15 85 1s 100 15 Rated impulse withstand voltage 12 12 12 12 12 Uimp kV Installations Fixed P e e e e e e e e e Draw out X e e e e e e e e Main circuit terminal connection Fixed Horizontal e e e e e e e e e Vertical e e e e e Draw out Horizontal e e e e e e e e Vertical e e e e Dimensions Fixed 254 324 362 457 362 457 414 527 782 1008 H 320 320 395 395 395 395 395 395 395 395 D 197 197 290 290 290 290 290 290 290
26. This function serves for short time delay short circuit OFF and ground fault protection of circuit breakers As the sketch shown above control lines can interlock with pieces of circuit breakers After detecting the fault the intelligent controller zone 2 will send out a signal to circuit breakers zone1 at higher level and check whether the signal of circuit breakers zone 3 at lower level arrives If circuit breakers at lower level send out a signal the circuit breaker will be on at the time duration of release delay if circuit breakers at lower level don t send out a signal the circuit breaker will break off instantly no matter whether the release has the protection of delay Note The end 23 and 24 should be shortcircuited 13 Air Circuit Breakers BT2 series Communication Communicative To achieve the function of four kinds of remote operation at long distance by communication interface of the circuit breaker namely remote control remote communication remote adjustment and remote detection Communication protocol The application of Modbus RTU mode Communication interface Standard interface RS 485 Baud rate 19200bps in favour of 1200 2400 4800 9600 38400bps Communication address 1 119 Byte format First bit as start bit eighth bit as data bit second bit as stop bit even check in favour of non check odd check Network characteristic Twisted pair shielded cables ser
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28. 10 06 E Door frame dimensions mm Aperture Dimension of BT2 2500 door frame BT2 2500 Air Circuit Breakers with three poles draw out The drawing of Aperture Dimensions for mounting cover of door frame Distance from the panel center of the circuit breaker to the right hinge of cabinet door should be at least 256mm Breaker base 11 26 BT2 2500 Air Circuit Breakers with three poles fixed The drawing of Aperture Dimensions for mounting cover of door frame Distance from the panel center of the circuit breaker to the right hinge of cabinet door should be at least 256mm Air Circuit Breakers BT2 series Dimensions and mounting BT2 2500 Air Circuit Breakers with four poles draw out The drawing of Aperture Dimensions for mounting cover of door frame Distance from the panel center of the circuit breaker to the right hinge of cabinet door should be at least 303 5mm Breaker base 14 26 2 2500 Air Circuit Breakers with four poles fixed The drawing of Aperture Dimensions for mounting cover of door frame Distance from the panel center of the circuit breaker to the right hinge of cabinet door should be at least 303 5mm 269 Od Breaker base 15 10 06 49 Air Circuit Breakers BT2 series Dimensions and mounting E Door frame dimensions mm Aperture Dimension BT2 4000
29. BT2 2500 356 8 823 4 BT2 4000 648 96 897 6 BT2 6300 1050 1 1200 2 Derating coefficient The following table shows continual current loading capacity of circuit breakers at different ambient environment temperature and under the conditions of the satisfaction of conventional heating IEC60947 2 Ambient Environment temperature 40 C 45 C 50 C 55 C 60 C Continual current loading Inm 1600A 0 99 0 96Inm 0 90 0 87Inm capacity Inm 2000A 1inm 0 97Inm 0 91Inm 0 87Inm 0 82Inm Inm 2500A 1Inm 0 96Inm 0 90Inm 0 86Inm 0 80Inm Inm 4000A 1Inm 0 95Inm 0 89Inm 0 85Inm 0 78Inm Inm 6300A 1Inm 0 93Inm 0 87Inm 0 82Inm 0 75Inm E Derating for high elevation If elevation exceeds work environment 2000m electric property of circuit breaker can correct according to following table elevation m 2000 3000 4000 5000 Power frequency withstand voltage V 3500 3150 2500 2000 Correction factor of operational current 1 0 93 0 88 0 82 Correction factor of short circuit breaking capacity 1 0 83 0 71 0 63 28 Reference table of main circuit wiring copper bar for draw out circuit breaders Rated frame current A Rated current A Specifications of copper bars Air Circuit Breakers BT2 series Technical data Number Size mmxmm 1600 200 1 20x5 400 1 50x5 630 2 40x5 800 2 50x5 1000 3 40x5 1250 4 40x5 1600 2 50x10 2000 630 2 50x5
30. C 95 10 30 35 Air Circuit Breakers BT2 series Dimensions and mounting E Dimensions and mounting mm BT2 2000 Air Circuit Breaker with three poles fixed type M LL LLL LLLLLLLLLLLLLLLLILLILIIILILLLLLLL Direction A Current specifications L mm W mm a 95 95 2000A 20 269 20 13 24 011 630A 800A 1000 15 264 15 3 eee ee m 1250A 1600A M I 3011 60 Outside of the cabinet door 61 4 12 e S H a point _69 5 11 290 Horizontal back set Outside of the cabinet door C 60 n Direction C 95 __95 Le 24 011 10 30 18 _ 150 69 5 285 94 _ Vertical back set 36 E Dimensions and mounting mm BT2 2000 Air Circuit Breaker with four poles fixed type Current specifications L mm 2000A 20 269 20 13 630A 800A 1000 15 264 15 3 1250A 1600A Outside of the cabinet door 61 ud i m 4 012 1 A Air Circuit Breakers BT2 series
31. Direction D 2 014 11x17 ot DE 34 Direction A 95 95 24 011 I ibl 265 _ 4 1 Outside of the cabinet door Base 24 911 point 10 97 175 102 47 390 166 Separated position Vertical back set Direction C 95 95 60 30 T Air Circuit Breakers BT2 series Dimensions and mounting E Dimensions and mounting mm BT2 2000 Air Circuit Breaker with four poles draw out type Direction A Current specifications L mm H mm A mm 2000A 20 20 30 ks 630A 800A 10004 15 15 25 ote 1250A 16004 a THA H M Npole 30 Outside of the binet d A cabinet door E l point 47 390 x Separated position Horizontal back set Direction D Outside of the e es cabinet door a 32 011 211 point g A d 97 175 7 102 4T 390 196 Separated position Vertical back set Direction
32. standard supplied Shunt trip device To break the ACB by remote control Rated voltage of control 400VAC 230VAC 220VDC 110VDC power supply Operating voltage V 0 7 to 1 1 Us Instantaneous current 0 7 1 3 1 3 2 4 Breaking time ms No more than 30 Charge Coil After the ACB s ends up its energy storage the closing electromagnet will make the energy storing spring to release its energy instantly then to close the count ACB quickly Rated voltage of control 400VAC 230VAC 220VDC 110VDC power supply Operating voltage V 0 85 to 1 1 Us Instantaneous current 0 7 1 3 1 3 2 4 Switching on time ms No more than 70 Drive unit ACB has the functions of drive energy storage and automatic energy restoring The energy storage can also be done manually Rated voltage of control 400VAC 230VAC 220VDC 110VDC power suppl Operating voltage V 0 85 to 1 1 Us Power consumption 192VA 192W Energy storage time s No more than 5 Auxiliary Switches Rated voltage Conventional thermal current Rated capacity AC 230 6 300VA 400 DC 220 60W 110 Note Note For the standard type of auxiliary switch there are four groups of changeover contacts for the special type of auxiliary switch there are four pieces of normally opened contacts NO and four pieces of normally close contacts NC or 6 pieces of NO and 2 pieces o
33. the controller is initially electrified the circuit breaker would trip instantly if short time short circuit fault occurred Fault memory function for M25 M26 H26 P25 and P26 The types and phases of fault value of faulty current and breaking time would be indicated on the intelligent controller if the circuit breaker broke off as a result of faults Current disequilibrium display selective function for P25 and P26 The intelligent controller can sent out and display when the three phases current disequilibrium level reached the setting value 2095 8090 Imax Imin Note the three phases current disequilibrium x100 Imax Harmonic analysis function for P25 and P26 P25 or P26 intelligent controller with harmonic analysis function can measure fundamental current fundamental line voltage fundamental phase voltage fundamental power odd harmonic current ratio HRIh from the third to thirty first harmonic voltage ratio HRUh total harmonic distortion of current THDi thdi and total harmonic distortion of voltage THDu thdu Harmonic ratio HR The ratio of RMS of hth harmonic component in the periodical alternating quantum to RMS of fundamental component express by percent Harmonic current ratio of hth expresses HRI HRI l x100 14 Note I harmonic current of hth of phase A RMS Harmonic voltage ratio of hth expresses HRU Un HRU x100 12 1 Note Uh harmonic line vol
34. 26 253 um 26 Outside of the cabinet door 395 1 986 point 1 Horizontal back set 46 E Door frame dimensions mm BT2 1600 door frame BT2 1600 Air Circuit Breakers with three poles draw out The drawing of aperture dimensions for mounting cover of door frame Distance from the panel center of the circuit breaker to the right hinge of cabinet door should be at least 227mm BT2 1600 Air Circuit Breakers with three poles fixed type The drawing of aperture dimensions for mounting cover of door frame Distance from the panel center of the circuit breaker to the right hinge of cabinet door should be at least 227mm Air Circuit Breakers BT2 series Dimensions and mounting BT2 1600 Air Circuit Breakers with four poles draw out The drawing of aperture dimensions for mounting front cover of door frame Distance from the panel center of the Circuit Breaker to the right hinge of cabinet door should be at least 262mm Breaker BT2 1600 Air Circuit Breakers with four poles fixed type The drawing of aperture dimensions for mounting front cover of door frame Distance from the panel center of the Circuit Breaker to the right hing
35. 290 Draw out W 248 318 347 442 347 442 401 514 767 993 H 351 5 351 5 438 438 438 438 438 438 475 5 475 5 D 297 297 390 390 390 390 395 395 395 395 Note Cannot be used for an IT distribution system Available Air Circuit Breakers BT2 series Appearance B Appearance Fixed Common Name plate Indications of energy storage and energy release ON button Manual energy storage handle Brand Terminals of sencondary circuit fixed Off lock mechanism Release indication and resetting button Inteligent controller OCR 10 OFF button 11 Indications of ON and OFF 12 Indication of ready for switching on OK ax CO PO Draw out cradle The cradle has the back plate for isolating the copper bar of the main circuit which take the role of safety protection when the ACB is drawn out 20 3 19 23 18 24 18 Installation hole 19 Safety back plate 20 Wiring terminals of secondary circuit 21 Side plate 22 Copper bar of the main cirucit 23 Draw out socket 24 Earthing point at draw out socket Draw out For Draw out gt 13 Unlock button of the three positions Separated test and connected 1 2 14 Safety padlock mechanism 15 Racking shaft operating hole 16 Racking shaft storage hole 17 Indications of the three position Separated test and connected Note Separated Indicates that main ci
36. 800 2 60x5 1000 2 60x5 1250 3 60x5 1600 2 60x10 2000 3 60x10 2500 1250 3 60x5 1600 2 60x10 2000 3 60x10 2500 4 60x10 4000 2000 3 100x5 2500 4 100x5 2900 3 100x10 3200 4 100x10 3600 4 100x10 4000 5 100x10 6300 4000 5 100x10 5000 6 100x10 6300 8 100x10 The specifications of copper bars in the above table are introduced under which the circuit breakers by open installation are at maximum ambient environment temperature of 40 C and satisfy conventional heating in IEC60947 2 29 Air Circuit Breakers BT2 series Dimensions and mounting E Dimensions and mounting mm BT2 1600 Air Circuit Breaker with three poles draw out type Current specifications L mm Direction A 800A 1000A 1250A 1600A 15 ej 20 4 70 200A 400A 630A 10 L EL 25 sol Outside of the cabinet doo 351 5 78 5 1 152 ALL un ap A Separated position Horizontal back set Direction D i Outside of the 2 6 5 cabinet door i ee MN 12 611 dL d Mal 2 al 2 6 5 x 8 5 s E Slo ZUM f G Base point x MEM _725 1025 77 5 S eT 3 2 7 297 ad Separated position Vertical back set Direction C 70 30 Air Circuit Breakers BT2 series Dimensions and mounting E Dimensions and mounting mm BT2 1600 Air Cir
37. BT2 2500 0 8 or 1000A 0 8In or 1200A 0 8In 1600A 2000A To select the To select the minimum minimum Setting values of 0 4s delay time t Load monitoring Monitoring current In Not for type L25 optional for type M25 M26 H26 P25 and P26 lici Monitoring current LC2 In 63 Catalog Disclaimer The information contained in this catalog does not constitute an express or implied warranty of quality any warranty of merchantability of fitness for a particular purpose is hereby disclaimed Since the user s product information specific use application and conditions of use are all outside of Fuji Electric FA Components amp Systems control it shall be the responsibility of the user to determine the suitability of any of the products mentioned for the user s application One Year Limited Warranty The products identified in this catalog shall be sold pursuant to the terms and conditions identified in the Conditions of Sale issued by Fuji Electric FA with each order confirmation Except to the extent otherwise provided for in the Conditions of Sale issued by Fuji Electric FA Fuji Electric FA warrants that the Fuji Electric FA products identified in this catalog shall be free from significant defects in materials and workmanship provided the product has not been 1 repaired or altered by others than Fuji Electric FA 2 subjected to negligence accident misuse or damage by circumstances beyond Fuji E
38. cuit Breaker with four poles draw out type Current specifications L mm Direction A 800A 1000 1250 1600A 15 70 70 70 200A 400A 630A 10 Outside of the cabinet door 78 5 152 102 57 _ 201 60 Separated position Horizontal back set Direction D nj B m 7 Outside of the 2 06 5 cabinet door 2 6 5 8 5 H Q Base point pee NC E 72 5 102 5 77 5 46 297 Separated position Vertical back set Direction C 70 70 70 31 Air Circuit Breakers BT2 series Dimensions and mounting E Dimensions and mounting mm BT2 1600 Air Circuit Breaker with three poles fixed type Direction A Current specifications L mm 50 800A 10004 1250A 1600A 15 25 12 511 200A 400A 630A 10 t b 70 70 Outside of the cabinet door 320 192 197 Horizontal back set 244 Outside of the NY cabinet door point 4 96 5 320 Breaker base Ap
39. dication and measurement range Accuracy Current L25 Light columnar Indication ls In 0 1In to 2In A 5 M25 LED l l d lcs M26 H26 li los 18 1 16 Imax Voltage M25 M26 as optional LED Uis Usi Urini 30V to 690V 396 H26 as standard For P25 and P26 Item Display Content Indication and measurement range Accuracy Current LCD h 1 ly 0 1In to 2In A 1 5 la 0 1In to 2000A 2 5 Voltage Line Voltage U12 Us3 Us 30V to 690V 0 5 Phase Voltage Uin Power Three phase active power 120MW to 120MW 2 596 Three phase reactive power 120Mvar to 120Mvar Three phase apparent power 120MVA to 120MVA Power factor Power factor 1 00 to 1 00 2 5 Electric energy Three phase active electric energy 10 GWh to 10 GWh 2 596 Three phase reactive electric energy 10 Gvarh to 10 Gvarh Three phase apparent electric energy 10 GVAh to 10 GVAh Frequency f 45 to 65Hz 0 7Hz Fundamental current lias boas 0 1In to 2In A 1 5 Fundamental line voltage to 690V 0 5 Fundamental phase voltage Utne Fundamental power P1 120MW to 120MW t 2 596 Q1 120Mvar to 120Mvar 51 120MVA to 120MVA Harmonic ratio Current 0 to 1000 5 Voltage Total harmonic distortion Current THD Voltage m Alarm and fault functions Over current Type L25 alarm Type M25 Type M26 H26 Type P25 P26 Corresponding LED on the panel will be ON
40. door frame BT2 4000 Air Circuit Breakers with three poles draw out The drawing of Aperture Dimensions for mounting cover of door frame Distance from the panel center of the circuit breaker to the right hinge of cabinet door should be at least 264mm E 5 e I 1 2j 8 471 11 26 312 ON T 328 366 BT2 4000 Air Circuit Breakers with three poles fixed The drawing of Aperture Dimensions for mounting cover of door frame Distance from the panel center of the circuit breaker to the right hinge of cabinet door should be at least 264mm 153 5 42 8 26 328 366 50 BT2 4000 Air Circuit Breakers with four poles draw out The drawing of Aperture Dimensions for mounting cover of door frame Distance from the panel center of the circuit breaker to the right hinge of cabinet door should be at least 320 5mm 270 Breaker base 14 06 100 425 441 479 BT2 4000 Air Circuit Breakers with four poles fixed The drawing of Aperture Dimensions for mounting cover of door frame Distance from the panel center of the circuit breaker to the right hinge of cabinet door should be at least 320 5mm Breaker base 10 06 441 479 E Door frame dimensions mm Aperture Dimension of BT2 6300 door frame
41. e of cabinet door should be at least 262mm 47 Air Circuit Breakers BT2 series Dimensions and mounting E Door frame dimensions mm Aperture Dimension of BT2 2000 door frame BT2 2000 Air Circuit Breakers with three poles draw out The drawing of Aperture Dimensions for mounting front cover of cabubet door Distance from the panel center of the circuit breaker to the right hinge of cabinet door should be at least 256mm Breaker base 11 06 BT2 2000 Air Circuit Breakers with three poles fixed The drawing of Aperture Dimensions for mounting front cover of cabunet door Distance from the panel center of the circuit breaker to the right hinge of cabinet door should be at least 256mm 268 8 06 48 BT2 2000 Air Circuit Breakers with four poles draw out The drawing of Aperture Dimensions for mounting front cover of cabinut door Distance from the panel center of the circuit breaker to the right hinge of cabinet door should be at least 303 5mm 260 Breaker base 14 26 BT2 2000 Air Circuit Breakers with four poles fixed The drawing of Aperture Dimensions for mounting front cover of cabinut door Distance from the panel center of the circuit breaker to the right hinge of cabinet door should be at least 303 5mm Breaker base
42. erture dimensions of the back plate at the time of hanging type installation Vertical back set Direction C E o a 32 E Dimensions and mounting mm BT2 1600 Air Circuit Breaker with four poles fixed type Current specifications L mm 800A 1000A 1250A 1600A 15 200A 400A 630A 10 Outside of the cabinet door 148 5 125 49 5 55 15 Air Circuit Breakers BT2 series Dimensions and mounting Direction A 25 16 211 10 Horizontal back set Outside of the cabinet door Breaker base Aperture dimensions of the back plate at the time of hanging type installation 148 5 Vertical back set Direction C 33 Air Circuit Breakers BT2 series Dimensions and mounting E Dimensions and mounting mm BT2 2000 Air Circuit Breaker with three poles draw out type Current specifications L mm H mm A mm 2000A 20 20 30 630A 800A 1000A 15 15 25 1250A 1600A Outside of the cabinet door L point 10 97 175 102 47 J 390 Separated position Horizontal back set
43. evenues cost of capital or claims against the purchaser or user of the product by its customers resulting from the use of information recommendations and descriptions contained herein The purchaser agrees to pass on to its customers and users in writing at the time inquiries and orders are received by buyer Fuji Electric FA s warranty as set forth above AN Safety Considerations Operate keep in the environment specified in the operating instructions and manual High temperature high humidity condensation dust corrosive gases oil organic solvents excessive vibration or shock might cause electric shock fire erratic operation or failure For safe operation before using the product read the instruction manual or user manual that comes with the product carefully or consult the Fuji sales representative from which you purchased the product Products introduced in this catalog have not been designed or manufactured for such applications in a system or equipment that will affect human bodies or lives Customers who want to use the products introduced in this catalog for special systems or devices such as for atomic energy control aerospace use medical use passenger vehicle and traffic control are requested to consult with Fuji Electric FA Customers are requested to prepare safety measures when they apply the products introduced in this catalog to such Systems or facilities that will affect human lives or cause severe damage t
44. f NC or 2 pieces of NO and 6 pieces of NC Safety padlock mechanism at the position of separated When the draw out circuit breaker indicates the position of separated the locking stick can be locked with padlock after being pulled out so that the rocker of the circuit breaker can not be turned to the position of test or connected Padlock should be provided by users themselves Air Circuit Breakers BT2 series Accessories 23 Air Circuit Breakers BT2 series Accessories Optional accessories Special power module When the power voltage of BT2 1600 circuit breaker s intelligent control is AC230 or AC400V it can be transformed into DC24 by this power module for power module for power supply of the OCR Note The input of voltage to 1 and 2 terminals of the secondary circuit must be This module is installed by getting stuck into the standard slideway with 35mm in width inside the switchgear cabinet DC24V power module When the power voltage of BT2 1600 circuit breaker s intelligent control is DC24V it can be transformed into DC24V by this power module for power supply of the OCR This module is installed by getting stuck into the standard slideway with 35mm in width inside the switchgear cabinet DC power supply module When power supply of the secondary circuit is DC220V 110V it should be transformed into DC24V by this module for power supply of the OCR Under voltage relea
45. ifications In 4000A 5000A Direction C 113 219 113 143 es Air Circuit Breakers BT2 series Dimensions and mounting Direction A 113 130 113 123 113 130 113 64 017 91 Fete Foto fete ere Fere ere Fe HeH ee e ee 919 919 99 6 N pole 50 100 Base point Outside of the cabinet door 475 5 10 47 Separated position Vertical back set Current specifications In 4000A 5000A 6300A 45 Air Circuit Breakers BT2 series Dimensions and mounting E Dimensions and mounting mm BT2 6300 Air Circuit Breaker with three poles fixed type Direction A 205 4 50 55 50 24 7 Tu 239 5 239 5 1 Outside of th cabinet door A 134 S e 009 1 N Base 4 912 roy Base 150 69 5 iia 760 point 11 285 _ 290 _ Horizontal back set BT2 6300 Air Circuit Breaker with four poles fixed type Direction A 205 ay 50 55 50 32 17 13 02 50 E3 e pole 2
46. ime delay curve 2 r2 t s 10 Short time delay curve 1 te 0 4 0 3 OFF 0 2 0 1 Instantaneous range Y 0 02 Instantaneous curve 0 01 0 4 1 1 6 10 15 80 17 Air Circuit Breakers BT2 series Characteristic curve E Characteristic curve of inverse time delay special It time current curve of type 25 and 26 intelligent controllers OCR 10000 Illustrational curve The range of long time delay I1 0 4 1 In P 5 108 1205 The range short time delay 1000 12 0 4 15 12 0 15 0 45 Instantaneous 1 6 5 BT2 1600 2kA 50kA OFF BT2 2000 2 5kKA 50kKA OFF BT2 25 Lt 4kA 65kA OFF BT2 4000 6 3kA 80kA OFF BT2 6300 100 long time delay curve PT ON t s s 10 Short time delay curve 1 lo 0 4 0 3 T OFF 0 2 0 1 Instantaneous range 1 1 1 0 02 Instantaneous curve 0 01 0 4 1 1 6 10 15 80 X kA 18 Characteristic curve of high voltage fuse 14 time current curve of type 25 and 26 intelligent controllers OCR 100000 10000 1000 100 0 4 0 3
47. ing safety clearance Draw out breaker dl l Minimum distance between breaker with switchboard wall or live part Switchboard wall Live part d1 note mm 0 60 d2 mm 0 60 Fixed breaker dl Minimum distance between breaker with switchboard wall or live part Switchboard wall Live part d2 d2 j e m d2 d1 note mm 0 60 d2 mm 0 60 Note secondary circuit wiring must be considered for safety clearance 52 Air Circuit Breakers BT2 series Dimensions and mounting E Dimensions and mounting of Automatic transfer switch ATS mm The switching unit 6 5 1 e Y Y 90 143 96 136 Type F automatic transfer controller E amp g 8 90 143 96 ee 136 53 t Breakers BT2 series Air Circui Wiring d pue 5 uornoeuuoo ui eg Pinoys Ajddns ApZoa s Ajddns jewod jo ay ueuw JO S EUILWI9 uonoeuuoo ui
48. ion LCD indication Dial setting by knob Consecutive Consecutive Consecutive Consecutive Consecutive parameter setting parameter setting parameter setting parameter setting parameter setting Protection function t t ty t ty 1 Air Circuit Breakers BT2 series Type number nomenclature i Type number nomenclature BT2 2500P 32500E L1 Basic type Frame size 1600 2000 2500 4000 6300 Installation P Fixed type X Draw out type Number of poles 3 3 poles 4 4 poles Rated current 1600AF 0200 0400 0630 0800 1000 1250 1600 2000AF 0630 0800 1000 1250 1600 2000 2500AF 1250 1600 2000 2500 4000AF 2000 25000 2900 3200 3600 4000 6300AF 4000 5000 6300 CE version OCR type or Additional accessories OCR type note M25 is standard See page 9 Type Code Remarks L25 L5A M25 None H26 H6A P25 P5A P5B w harmonic analysis function P5C w communication function P5D w alarm of current imbalance P26 P6A P6B w harmonic analysis function P6C w communication function P6D w alarm of current imbalance Accessories Type Code Remarks LED indicator of Voltage C1 Load monitoring function C2 ZSI function C3 Zone select
49. ive interlock function Under voltage release R1 Instananeous R2 Time delay Switching OFF lock device Q1 One lock and one key Q2 Two lock and one key Q3 Three lock and two key Mechanical interlock device MW1 Steel lock interlock Two sets of ACB s MB1 Link rod interlock 0 6m Mechanical interlock device MW2 Cable type interlock Three sets of ACB s MB2 Pattern one of rod interlock MB3 Pattern two of rod interlock Pattern three of rod interlock Current transformer for neutral 1600AF L M H Controller line N connected externally N1 1600AF P Controller N2 2000AF N3 2500AF N4 4000AF N6 6300AF Electrical mechanism for the D1 indication of draw out socket s position Separator plate between phases B3 B4 4P Electrical module for indication RFS of ready for switching on Button Locking device L Counter CM Communication function choice 51 Components of draw out socket communication module of accessories 52 Ready for switching on signal 3 Under voltage signal 4 Fault trip signal DC power supply module 24VDC PD2 110VDC PD3 220VDC AC power supply module 230 2 400VAC Automatic transfer switch ATS AS1 R type included automatic controller AS2 S type connector and 1 8m cable AS3 F type Air Circuit Breakers BT2 series Specifications B Specifications Frame size 1600A 2000A 2500A 4000A 6300A Basic type BT2 1600 BT2 2000 BT2 2500 BT2 4000 BT2 6300
50. layer Standard twisted pair shielded cable Note please use the type of communication cable with the shielding layer and approach to circuits with strong electricity should be avoided as far as possible when wiring in the cabinet Colour Signal Funation Blue DATA Receive transmit data White Receive transmit data Shielding layer GND Grounding As the above diagram shows a group of twisted pair lines in the standard communication cable is employed as the communication line of 485 and the sheilding layer is grounded The actual practice should be possibly different such as the application of the colour of the twisted pair line Users could define the ways of cable s usage by themselves but the definition of the signal of each line in the cable should be made clear in advance Linking diagram of communication system Monitoring computer RS232 RS485 Converter DATA Modbus Draw out socket communication module Note As the accessory of selective purchase the draw out socket communication module should be selected into use when users need read the location of main body in the long distance by the choice of draw out circuit breakers Air Circuit Breakers BT2 series Communication 15 Air Circuit Breakers BT2 series Characteristic curve lll Characteristic curve of general 14 BT2 1600 BT2 6300 T I time current curve of type L25 intelligent controllers OCR
51. lectric FA s control 3 improperly operated maintained or stored or 4 used in other than normal use or service This warranty shall apply only to defects appearing within one 1 year from the date of shipment by Fuji Electric FA and in such case only if such defects are reported to Fuji Electric FA within thirty 30 days of discovery by purchaser Such notice should be submitted in writing to Fuji Electric FA at 5 7 Nihonbashi Odemma cho Chuo ku Tokyo Japan The sole and exclusive remedy with respected to the above warranty whether such claim is based on warranty contract negligence strict liability or any other theory is limited to the repair or replacement of such product or at Fuji Electric FA s option reimbursement by Fuji Electric FA of the purchase price paid to Fuji Electric FA for the particular product Fuji Electric FA does not make any other representations or warranties whether oral or in writing expressed or implied including but not limited to any warranty regarding merchantability or fitness for a particular purpose Except as provided in the Conditions of Sale no agent or representative of Fuji Electric FA is authorized to modify the terms of this warranty in writing or orally In no event shall Fuji Electric FA be liable for special indirect or consequential damages including but not limited to loss of use of the product other equipment plant and power system which is installed with the product loss of profits or r
52. mechanism Two sets of circuit breakers Two locks and one key D 9 Three sets of circuit breakers Three locks and two keys Mechanical Two sets of circuit breakers Cable type interlock Rod type interlock S Interlock Cable type interlock Pattern one of Rod type interlock Pattern two of Rod type interlock Pattern three of Rod type interlock o Connection external for neutral Draw out position indication Interphase barrier 5 Ready to close indication Push button locking device Counter Communication Components of draw out socket communication module accessories Signal of ready for switching on Signal of under voltage Signal of fault release DC power supply module DC220V DC110V DC24V power supply module Automatic transfer switch ATS Automatic transfer switch ATS R type S type F type 62 E Ordering notice Factory s setting values of intelligent controller Air Circuit Breakers BT2 series Ordering notice Overload long time delay Setting values of In current la Setting values of 480s delay time t Overload long time 121 delay of P25 and P26 Short circuit short time delay Setting values of current lo Setting values of 0 2s delay time t Setting values of short circuit instantaneous current 15In for In 1000A 15 12In for In 1250A 1600A 10In for In gt 2000A Ground fault Setting values of BT2 1600 BT2 2000 BT2 6300 Not for L25 M25 P25 current la
53. nals corresponding with three positions above respectively These mechanisms are installed inside the draw out socket Characteristics Rated working voltage Ue V 230 Convertional thermal current Ith A 10 Rated working current le A 1 5 Electrical module for indication of ready for switching on This electrical module indicates that the ciruit breaker is ready for switching on Characteristics Rated working voltage Ue V 230 Convertional thermal current Ith A 10 Rated working current le A 1 5 26 Current transformer with neutral line connected externally This current transformer which is used together with circuit breakers with three poles in the power distribution system of TN S installed in the neutral line N with 2m at maximum far from the installation point Characteristics Rated working voltage Acting voltage Reliable switching voltage V Reliable switching resistant voltage V lt 0 35Us Power consumption 12VA Note In the electrified metworks where thunder and rain often happens or whose power supply is not stable under voltage release with time delay is highly recommended to protect the circuit breader from releasing due to transient voltage lowering Generally delay time which is selective by users is 0 55 1s 2s and 3s 0 35 0 7 Us 0 85 1 1 Us Air Circuit Breakers BT2 series Accessories
54. o property if the products become faulty For safe operation wiring should be conducted only by qualified engineers who have sufficient technical knowledge about electrical work or wiring Follow the regulations of industrial wastes when the product is to be discarded For further questions please contact your Fuji sales representative or Fuji Electric FA
55. r t Ir t Ir Ground fault protection Ir G Long time delay overload protection Long time delay overload protection 8 General inverse time delay lt General inverse time delay 121 lt _ Special inverse time delay It 2 High voltage fuse type 5096 100 In OFF 50 In 100 200 In 2 Select setting current of N line 200 In for three pole breaker neutral line transformer BT2 6300 except 5 Test function MCR function Thermo analogue function Alarm and fault indication Contact wearing indication Fault memory Self diagnosis Selective function Indication of voltage ZSI function Load monitoring function Pattern one Pattern two Communication function Harmonic meter Current imbalace display Voltage of the BT2 2000 and above AC230V AC400V DC220V DC110V intelligent controller BT2 1600 DC24V AC230V Need to use with DC power supply Need be selectively Need be selectively equipped module equipped with DC24V power supply module power supply module Shunt release AC230V AC400V DC110V DC220V 0 E Closing coil AC230V AC400V DC110V DC220V o 9 Power driven AC230V AC400V DC110V DC220V 8 operation mechanism c Auxiliary switch Standard pattern 4 changeover contacts S Special pattern 4NC a 6NO 2NC 2NO 6NC Under voltage AC230V AC400V release Under voltage instantaneous release Under voltage time delay release 0 5s 15 25 35 Lock OFF One set of circuit breaker One lock and one key
56. rcuit and secondary circuit are both in isolation Test Indicates that main circuit is in isolation and secondary circuit is in connection Connected Indicates that main circuit and secondary circuit are both in connection The ACB can be automatically locked racking shaft can not be turned at the point when its main part is at the position of separated test or connected by turning the racking shaft and can be unlocked by pushing unlock button to the left side E Intelligent controller OCR Selecting OCR s it can be classified into six types Air Circuit Breakers BT2 series Intelligent controller Type L25 M25 M26 H26 P25 P26 Option Standard Option Option Option Option Overcurrent protection e e e e e Long time Short time insantaneous Ground fault protection e e Load monitor function Indication Light Columnar LED LED LED LCD LCD Power electric energy power factor frequency indication e Alarm function pre trip alarm overload alarm e e Test function e E Contact Welding indication e e e e e e Self diagnosis function e MCR funciton Fault memory funciton e e e e e Current imbalance indication e e e e e e Thermo analogue function e e e e Harmonic analysis function ZSI function Communication function e Note
57. s follows Horizontal connection Vertical connection Composite connection 401mm 767mm m Safety performance BT2 series Air Circuit Breakers are reliable by the following aspects Reliable assurance of the three positions Connected Test Separated by the locked and automatically unlocked mechanism at the draw out socket Clear indication of ready for switching on to ensure safe manipulation and reliable operation Indication of ready for switching on ok More reliable safety protection with seconday terminals of protection grade IP30 E Protection and selection BT2 Series Air Circuit Breakers can implement selective interlock of ZSI Region to ensure comprehensive selection of various protection and reduce the copper bar s bearing of thermodynamic m Intelligent controller OCR Selecting OCR s it can be classified into six types Type L25 Air Circuit Breakers BT2 series Features EE 21 22 23 24 T 1 M25 M26 H26 P25 P26 Option Standard Option Option Option Option Pic 125 Intelligent Controller M25 Intelligent Controller M26 Intelligent Controller H26 Intelligent Controller P25 Intelligent Controller P26 Intelligent Controller eee eee C Display setting Light columnar indication LED digtal indication LED digtal indication LED digtal indication LCD indicat
58. s of tc and tc repectively Then this two circuits with monitored load are broken off by receiving the instructions from the intelligent controller Pattern 2 Only one circuit with down stream load can be controlled When the operating current of the main circuit rises over the setting value of contact signal will be sent out after time duration of and this circuit is broken off by receiving the instructions from the intelligent controller If the operating current of the main circuit decreases lower than the setting value of after this circuit is broken off the signal will be sent out again after time duration of tz for the open loading circuit to be closed reloaded and so the power supply of this circuit is restored Load monitoring signals 1 and 2 corresponding to 1 and lice respectively are transmitted into contact signals via the wiring terminals 13 14 and 15 16 of the secondary circuit There will be LED indication at the time when signals are transmitted The load monitoring signals from the intelligent controller will be cut off in half second after the signal of contact closing is transmitted and the capacity of contact is AC230V 5A Indication and measurement function For L25 M25 M26 H26 Air Circuit Breakers BT2 series Intelligent controller Item Type of OCR s Display Content In
59. s put horizontally and interlocked with steel cable without BT2 1600 Wiring diagram Possible operation Pattern Stacked and interlocked close one sets of circuit breaker Cireuit breaker i4 2QF IQF IQF 20F 308 0 Pattern one three sets of power supply can only 30F 152160 one sets of standly power supply IOF 0 0 of coupling busbar IOF 600 Circuit breaker 3 Circuit breaker Base 20F 0 0 1QF 20F X3Q0F 20F Pattern two two sets of common power supply plus 3QF Pattern three two sets of power supply plus a piece 3QF 25 Air Circuit Breakers BT2 series Accessories Steel cable interlocked The style of interlock of three circuit breakers see the style of interlock between two sets of circuit breakers The maximal distance of two circuit breakers is 2m Wiring diagram Possible operation pattern Pattern three Two sets of power supply plus a piece of coupling busbar 1QF 208 3QF n 0 0 20F 0 0 V V 0 1 0 vmm tm Mni ev fe BT2 2000 and above Electrical mechanism for the indication of draw out socket s position When the main body of the draw out circuit breaker and the draw out socket are at the position of separated test and connected respectively three electrical mechanisms for the indication of draw out socket s location can output the electrical sig
60. se The under voltage release consists of release coil and control unit The under voltage release works in two ways operating instantaneously and operating in time delay There are four specifications of time delay for the under voltage time delay release 0 5s 1s 2s and 3s Users should consult with the manufacturer in the light of their order about special time delay specifications as from 3s and above up to 9s The time delay accurary is 11090 The Under voltage release of BT2 1600 must be combined with the time delay module which is installed by getting stuck into the standard slideway with 35mm in width The module input terminals connect with main circuit the output terminals connect with terminal 31 32 of the breaker Choice of communicate accessories Components of draw out socket communication module The components of draw out socket communication module consists of the draw out socket communication module outside of the circuit breaker and the draw out Socket communication parts inside of the circuit breaker The draw out socket communication parts are installed inside of the draw out socket to provide the status signals of such three positions as separated test and the main body of the draw out circuit breaker and the draw out socket The draw out socket communication module which can provide the function of reading the address of the circuit breaker and display the status indication of
61. t time delay Inverse short time delay short circuit Ft ON Setting delay time of short circuit short time delay Definite short time delay short circuit I t OFF Setting current Irs of instantaneous short circuit Long time delay short time delay instantaneous protection Air Circuit Breakers BT2 series Intelligent controller Ground fault protection Definite ground fault protection and its setting current Ir4 can be adjusted Delay time t4 can be adjusted Alarm but not break after being off TN C TN C S or TN S power distribution system without additional current transformer of neutral T2 circuit breaker with three poles TN S power distribution system 4 poles BT2 circut breaking with four poles Setting current Ir of ground fault Setting current t of ground fault TN S power distribution system 3 poles BT2 circut breaking with three poles Transformer Transformer Transformer GS SSS eS SS Current transformer B Current transformer Current transformer be OL gt oL nr be a l oL A NS be Nb be C LoL a O be AL E Qe OL 1 V7 9N C3 Lon 0 PE i 1 Intelligent i
62. tage of hth between phase A and B 12 Total harmonic distortion THD The ratio of harmonic content in the periodical alternating quantum to RMS of fundamental component THD express by percent 4 THD AX 100 ha THD AU ug 00 124 Note I harmonic current of hth of phase A RMS U harmonic line voltage of hth between phase A and B RMS The ratio of harmonic component in the periodical alternating quantum to RMS of periodical alternating quantum thd express by percent r x100 1 1 thd iU x100 Uii Ntoe I harmonic current of hth of phase A RMS U harmonic line voltage of hth between phase A and RMS B Zone selective interlock Air Circuit Breakers BT2 series Intelligent controller Zone selective interlock 251 function for M25 M26 H26 P25 and P26 optional Busbar Zone x 21 AS TE 22 Circuit breaker 23 at higher level 24 Release delay t2 Control line Control line Busbar Zone2 24 Control line Release delay tz Control line Busbar Zone3 Down stream circuit breaker Note 21 22 23 24 serve as the wiring teminals of secondary circuit When pieces of circuit breakers are linked together up and down zone selective interlock 251 can ensure fully selective protection of circuit breakers at higher or lower level so as to reduce the range of action by fault and the breaking time of circuit breakers
63. the main and three positions of the draw out socket etc is installed by getting stuck into the standard slideway with 35mm in width inside the switchgear cabinet The two parts of the draw out socket communication module are connected with soft conducting lines Ready for switching on signal You can achieve the information through the uplever device that the circuit breaker is ready for switching on 24 Under voltage signal You can achieve the information through the upper device that the circuit breaker is tripping operation under voltage Fault trip signal You can achieve the information through the upper device that the circuit breaker is tripping operation because of over loading short circuit or earth protection of the connection and devices Choice of mechanical interlock accessories Two sets of circuit breakers put horizontally and interlocked with steel cable or stacked and interlocked with connecting rods the style of interlock between two sets of circuit breakers with connecting rods and aperture dimensions of their bases see the counterpart of three sets of circuit breakers 2m max Wiring diagram Air Circuit Breakers BT2 series Accessories Possible operation pattern 1QF 2QF 1 2 0 0 E 0 1 id 1 0 Circuit breaker 1 Circuit breaker 2 Three sets of circuit breakers stacked and interlocked with connecting rods or three sets of circuit breaker
64. the circuit breaker s being released by long time delay overload short time delay short circuit and instantaneous short circuit indication lights of corresponding alarm will be on Indication of Type M25 Indication Indication of faulty phase breaking value of fault current and breaking time fault phase M26 H26 current and time Type P25 P26 Indication It can indicate the latest ten times fault categories and occurrence time faulty phase breaking value of fault current and breaking time 11 Air Circuit Breakers BT2 series Intelligent controller E Test functions Panel button 125 M25 M26 Release Inspeciton of characteristic of the OCR and the conditions of operating mechanism H26 P25 P26 Type M25 M26 H26 Non release Inspeciton of characteristic of the OCR P25 P26 Contact wearing indication for M25 M26 H26 P25 and P26 The intelligent controller has the function of contact wearing indication Accordingly the percentage of the equivalent to wearing times of main contact to electrical life span times of the circuit breaker can be indicated by pushing the button of wearing indication Self diagnosis function for M25 M26 H26 P25 and P26 When the microprocessor of the intelligent controller breaks down or the ambient temperature of the microprocessor rises over 80 C 5 alarm signals can be sent out immediately MCR function When the circuit breaker is on or
65. ve as communication lines One line can link up 32 pieces of communicative circuit breakers at the same time 16 pieces of circuit breakers with components of draw out socket communication module Wiring distance is 1200m at maximum but the distance of communication can be extended by equipping with repeaters additionally m Communication data Real time current voltage fundamental current fundamental voltage power power factor electric energy harmonic current or voltage ratio and total distortion of current or voltage State data of circuit breakers such as alarm fault energy storage under voltage ready for switching on and the positions of switching on and switching off etc The position of main body of the circuit breaker components of communication module of draw out socket for BT2 need to be purchased The fetching and modification of the setting values of circuit breakers Recorded data of fault last time Outline data such as serial numbers and the type etc of circuit breakers Long distance operation if switching on and switching off Circuit breakers can be switched on or off in the long distance Wiring terminals for communication Terminal Signal Function 8 DATA A Receive transmit data 10 DATA B Receive transmit data 12 SH In connection with shielded layer of communication line 14 m Communication cable Blue One group White Shielding
66. ve to confirm the protecting data it has two types of 5096 and 100 In To type P25 P26 intelligent controller the customers can setup into three types from menu turn off 50 ln 100 lIn Overload protection Inverse long time delay overload protection and its setting current Ir1 can be adjusted The delay time t1 of overload long time delay can be adjusted The long time delay overload characteristic of the type P25 P26 the curves can be adjusted There have common type I2t uncommon inverse time type It high voltage fuse concert type 141 can be adjusted which can matching higher up and lower lever s overload protection needs The long time delay overload characteristic ofthe type L25 M25 M26 H26 its running according to the common type I2t curves current Ir1 time t1 can beadjusted Short time short circuit protection can be OFF Inverse short time delay short circuit protection I2t ON and its setting current Ir2 can be adjusted e Definite short time delay short circuit protection 121 OFF and its setting current Ir2 can be adjusted The delay time t2 of short circuit short time delay can be adjusted Instantaneous short circuit protection The setting current Ir3 of instantaneous short circuit can be OFF can be adjusted t4 i Setting current Ir of overload long time delay Delay time of overload long time delay adjustable LS Setting current Ir of short time circuit shor
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